21w-15=21+20w

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Solution for 21w-15=21+20w equation:


Simplifying
21w + -15 = 21 + 20w

Reorder the terms:
-15 + 21w = 21 + 20w

Solving
-15 + 21w = 21 + 20w

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '-20w' to each side of the equation.
-15 + 21w + -20w = 21 + 20w + -20w

Combine like terms: 21w + -20w = 1w
-15 + 1w = 21 + 20w + -20w

Combine like terms: 20w + -20w = 0
-15 + 1w = 21 + 0
-15 + 1w = 21

Add '15' to each side of the equation.
-15 + 15 + 1w = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 1w = 21 + 15
1w = 21 + 15

Combine like terms: 21 + 15 = 36
1w = 36

Divide each side by '1'.
w = 36

Simplifying
w = 36

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